Cooler Dimension 73.8x73.8x41mm Weight 269.5g Fan Dimension 70x70x10mm Bearing System Ball Bearing System Rated Voltage DC12V Speed (RPM) 3800 Noise Level (dBA) 32.5 Air Delivery (CFM) 26.2 MTBF (hr) 50,000 Clip Attach Force (LBS) 19.5±3 Thermal Resistance(°C/W) 0.48 TI-V77K

Cooler Dimension 73.8x73.8x46mm Weight 276.5g Fan Dimension 70x70x15mm Bearing System Ball Bearing System Rated Voltage DC12V Speed (RPM) 3200 / 3800 / 5000 Noise Level (dBA) 28.5 / 34 / 40 Air Delivery (CFM) 28.39 / 32.73 / 36.5 MTBF (hr) 50,000 Clip Attach Force (LBS) 19.5±3 Thermal Resistance(°C/W) 0.4 TI-V77L

Cooler Dimension 73.8x73.8x61.8mm Weight 315.5g Fan Dimension 70x70x25mm Bearing System Ball Bearing System Rated Voltage DC12V Speed (RPM) 3200 / 5000 Noise Level (dBA) 28.5 / 42 Air Delivery (CFM) 28.58 / 41.14 MTBF (hr) 50,000 Clip Attach Force (LBS) 19.5±3 Thermal Resistance(°C/W) 0.36 TI-V77N